Three indication advance warning traffic lights and switching cut out are features of auto stop installation on Boston Post Road at Wayland, Mass; one auto stop unit, composed of two 10 ft barrier sections and motor drive section, was installed on each side of tracks, one at point 86 ft from nearest rail on approach side of road, and other, on other side of tracks, 116 ft from nearest rail on approach side of road.


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    Titel :

    Highway traffic retarding-barriers on Boston and Maine


    Weitere Titelangaben:

    Ry Signaling


    Erschienen in:

    Railway Signaling ; 30 , n 1, Part 1


    Erscheinungsdatum :

    1937


    Format / Umfang :

    5 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Barriers on Boston and Maine

    Engineering Index Backfile | 1938


    Barriers on Boston and Maine

    Engineering Index Backfile | 1938


    Centralized traffic control on Boston and Maine

    Engineering Index Backfile | 1932


    Centralized traffic control on Boston and Maine

    Bacon, A.R. | Engineering Index Backfile | 1931


    Centralized traffic control on Boston and Maine

    Engineering Index Backfile | 1932